Final answer:
A Convenience Sample is the term for a sample composed of individuals who are readily available for data collection, which may result in biased data.
Step-by-step explanation:
The sample composed of individuals who just happen to be available when and where the data are being collected is known as a Convenience Sample. This type of sampling is non-random and can lead to biased data because individuals are selected based on ease of access rather than at random. Convenience samples are often used when researchers cannot afford more scientific sampling methods, but they limit the ability to generalize the findings to a larger population.